Update intro.md

documentation/docs/changelog/intro.md

@@ -10,7 +10,7 @@ sidebar_class_name: green
 
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-|__[0.1.5-alpha1](/docs/changelog/0.1#015-alpha1)__|
+|__[0.1.5](/docs/changelog/0.1#015-alpha1)__|
 
 ### Current version (Stable)